Lecture 9 – Coal (Part 2)

Lecture 9 – Coal (Part 2) - Lecture 8...

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Lecture 8 – Coal (Part 2) Coal: Characteristics and Distribution Coal Quality (Western vs. Eastern) o Eastern Grade – Bituminous and Lower Ash – Low Sulfur – High Mining – Easy (OP) SO 4 – lots in ocean water Swamps adjacent to ocean will produce high S coal o Western Grade – Bituminous and Higher Ash – High Sulfur – Low Mining – Hard to Easy (OP to UG) Freshwater swamps in “Intermontane” basins Isolated from oceans High in silt content Ash – “Dirty Goal” Coal: Formation Peat becomes compressed as volume decreases and carbon compounds decreases as forms coal Peat Buried Peat Coal Coal: Types Anthracite is highest grade C coal High grade coal is connected with tectonic activity Anthracite – Hard to burn, but burns clean
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This note was uploaded on 06/13/2009 for the course GEOSCI 102 taught by Professor Rodewing during the Winter '08 term at University of Michigan.

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Lecture 9 – Coal (Part 2) - Lecture 8...

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